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Syringes prepared with the Moderna vaccine for Covid-19 at a vaccination center in Munich, Germany, on Thursday, Dec. 2, 2021. 

Photographer: Michaela Handrek-Rehle/Bloomberg

The year is winding down, but if you anticipated the pace of world events would slow down accordingly, you were sorely mistaken.

Health authorities are unnerved about omicron. One of Asia’s most vaccinated spots is seeing a surge in cases, and separately in Hong Kong, the variant spread among two fully vaccinated travelers across the hallway of a quarantine hotel.